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55083760 = 2452923743
BaseRepresentation
bin1101001000100…
…0001011110000
310211122112201021
43102020023300
5103100140020
65244345224
71236130024
oct322101360
9124575637
1055083760
1129103276
1216545214
13b548354
14745c384
154c811aa
hex34882f0

55083760 has 40 divisors (see below), whose sum is σ = 132491520. Its totient is φ = 21272832.

The previous prime is 55083751. The next prime is 55083773. The reversal of 55083760 is 6738055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9552 + ... + 14191.

It is an arithmetic number, because the mean of its divisors is an integer number (3312288).

Almost surely, 255083760 is an apocalyptic number.

It is an amenable number.

55083760 is an abundant number, since it is smaller than the sum of its proper divisors (77407760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55083760 is a wasteful number, since it uses less digits than its factorization.

55083760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23785 (or 23779 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 55083760 is about 7421.8434367750. The cubic root of 55083760 is about 380.4881998547.

The spelling of 55083760 in words is "fifty-five million, eighty-three thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 23743 47486 94972 118715 189944 237430 379888 474860 688547 949720 1377094 1899440 2754188 3442735 5508376 6885470 11016752 13770940 27541880 55083760